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-rw-r--r--test/stringio/test_stringio.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/test/stringio/test_stringio.rb b/test/stringio/test_stringio.rb
index 07d89d16e1..6ba1e25791 100644
--- a/test/stringio/test_stringio.rb
+++ b/test/stringio/test_stringio.rb
@@ -193,12 +193,12 @@ class TestStringIO < Test::Unit::TestCase
def test_close
f = StringIO.new("")
f.close
- assert_raise(IOError) { f.close }
+ assert_nil(f.close)
f = StringIO.new("")
f.close_read
f.close_write
- assert_raise(IOError) { f.close }
+ assert_nil(f.close)
ensure
f.close unless f.closed?
end